| Specimen ID | 237417 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | WA |
| County | Okanogan |
| Locality | Rat Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chief Joseph |
| HUC8 Number | 17020005 |
| HUC10 Name | Swamp Creek-Columbia River |
| HUC10 Number | 1702000505 |
| HUC12 Name | Swamp Creek |
| HUC12 Number | 170200050502 |
| Map | |
| Collection Day | 21 |
| Collection Month | 9 |
| Collection Year | 2003 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 15927 |
| Author: | Parsons, J. |
| Date: | 2005 |
| Title: | Annual Washington State Aquatic Plant Survey Database. |
| Publisher: | Washington Department of Ecology . |
| Volume: | 2005 |
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| Comments | Few plants mostly at north end of the lake and a few on the east shoreline. |
| Record Type | Literature |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
